Home / 451,928.57-677,896.82-114,969.57

Finding the Fourth Proportional to 451,928.57, 677,896.82 and 114,969.57

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Solution

The fourth proportional to 451,928.57, 677,896.82 and 114,969.57 is: 172,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,928.57 : 677,896.82 = 114,969.57 : x
  2. Step 2: Convert to fraction form
    451,928.57/677,896.82 = 114,969.57/x
  3. Step 3: Cross multiply
    451,928.57x = 677,896.82 × 114,969.57
  4. Step 4: Simplify right side
    451,928.57x = 77,937,505,324.92
  5. Step 5: Solve for x
    x = 77,937,505,324.92/451,928.57
  6. Step 6: Final answer
    x = 172,455.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.